Home / 268,267.78-370,209.43-147,416.86

Finding the Fourth Proportional to 268,267.78, 370,209.43 and 147,416.86

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Solution

The fourth proportional to 268,267.78, 370,209.43 and 147,416.86 is: 203,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,267.78 : 370,209.43 = 147,416.86 : x
  2. Step 2: Convert to fraction form
    268,267.78/370,209.43 = 147,416.86/x
  3. Step 3: Cross multiply
    268,267.78x = 370,209.43 × 147,416.86
  4. Step 4: Simplify right side
    268,267.78x = 54,575,110,418.92
  5. Step 5: Solve for x
    x = 54,575,110,418.92/268,267.78
  6. Step 6: Final answer
    x = 203,435.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.